Vacuum jug



FIG. 1 is a top and right side perspective view of a vacuum jug showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view, the left-side being a mirror image thereof; and

FIG. 5 is a top plan view thereof.

The bottom of the vacuum jug is substantially devoid of ornamentation. 

The ornamental design for a vacuum jug, as shown and described. 